Magnitude 2.6 Earthquake of Anthony, Kansas 2014-10-20

2014-10-20 23:30:47 UTC : Anthony, Kansas EARTHQUAKE

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Magnitude: 2.6

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-10-20 23:30:47 UTC
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1. 2014-10-20 18:30:47 UTC-05:00 at epicenter

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Earthquake data:

Location : Position of Epicenter 

37.053°N 97.918°W

Depth : Depth of starting Rupture 

5.0km (3.1mi)

Region : Anthony, Kansas

Directions and Distances :Directions and Distances from Geographical Reference in Close Proximity Which can be effected by Location Uncertainty

a)  15km (9mi) SE of Anthony, Kansas

b)  73km (45mi) N of Enid, Oklahoma

c)  75km (47mi) SW of Haysville, Kansas

d)  78km (48mi) W of Arkansas City, Kansas

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e)  179km (111mi) NNW of Oklahoma City, Oklahoma

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.6 mb_lg	± 0.10
Location	37.053°N, 97.918°W	--
Depth	5.0 km	± 2.0 km
Number of Phase Applied1	40
Minimum Distance2	7.3 km (0.07°)
Travel Time Residual3	0.51 sec
Azimuthal Gap4	64°

¹Number of phase Applied: 

In determining location of hypocenter, applied number of observations on P waves and S waves. The greater the more accurate prediction of EQ.

²Minimum Distance:

 Horizontal distance of nearest Station measured in Km from epicenter. The smaller the more accuracy in prediction of depth of EQ.

³Travel Time Residual:

 A way of measurement of fit of arrival time observed to arrival time predicted for particular location. The smaller the better fit of data.

⁴Azimuthal Gap: 

Expressed in degree; the smaller the smaller the error in horizontal positioning of EQ. Large uncertainty is considered when exceeds 180° (both depth and location)